MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains numerous embedded URLs pointing to various domains, many of which are associated with compromised CMS uploads or disposable hosting, indicating a link farm designed to redirect users to malicious content. The ML classifier and ClamAV detection strongly suggest malicious intent, likely for phishing or malware distribution.
Machine Learning
- Nyx PDF Classifier malicious score 0.9957
Heuristics 6
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ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
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PDF link farm points to compromised-WordPress upload storage medium PDF_COMPROMISED_CMS_UPLOAD_LINK_FARMPDF contains multiple clickable links, across many distinct hosts, whose targets are random-slug files parked in the upload directories of vulnerable WordPress form plugins (FormCraft, Super Forms). This is the hallmark of the 'free document/template' SEO phishing PDF family, which ranks for search queries and routes users into payload/redirect chains hosted on compromised sites. The PDF itself carries no exploit — the risk is the linked destinations.
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Small PDF is a non-clustered link farm on disposable hosting medium PDF_SEO_DISPOSABLE_LINK_FARMSmall PDF contains many clickable external PDF links spread thin across many distinct hosts (no single dominant host), corroborated by a utm_term SEO-redirector link and/or links parked on free/disposable content hosts. This is the 'free document/template' SEO phishing PDF family, which ranks for search queries and routes users into payload/redirect chains, rather than a normal document citation pattern. The PDF itself carries no exploit — the risk is the linked destinations.
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External URI info PDF_URIPDF contains an external URL action
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Object number defined twice with different bodies info PDF_DUPLICATE_OBJ_BODY_INCREMENTALThe same indirect object (N G) is defined more than once with different body bytes. First-wins and last-wins readers will resolve different content, which is a parser-confusion shape used by targeted PDFs. Body-only differences are common in benign incremental updates, so severity is raised only when the duplicate carries active content.
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Embedded URL info EMBEDDED_URLOne or more URLs were extracted from the document. The URL itself is not a detection — see the per-URL labels for which channel (macro, JS, link annotation, document body, ...) reached each URL.URL https://smidgel.ru/uplcv?utm_term=arcade+run+and+gun+games PDF link annotation
- http://eg-connect.com/php_codes/Scott/VieauAssociates/code/userfiles/file/dosababeze.pdfIn PDF document text
- https://buffinvestment.com/upload/ckfinder/files/rijawaligarodisemodebaluf.pdfIn PDF document text
- http://ed-union05.ru/files/file/puletuvu.pdfIn PDF document text
- http://vibrosystem.ro/wp-content/plugins/formcraft/file-upload/server/content/files/16140d82e06e11---jajaripilo.pdfIn PDF document text
- http://escritacontabilidade.net/fotos/news/file/nojed.pdfIn PDF document text
- http://knipia.com/userfiles/file/47077433753.pdfIn PDF document text
- http://splhardware.com/UploadFile/file/2021090619385073499.pdfIn PDF document text
- http://mediaworld.pro/ckfinder/userfiles/files/davufikuluxisobunako.pdfIn PDF document text
- https://member-amz-seller-system.de/wp-content/plugins/super-forms/uploads/php/files/5f34f62592b050d43a394b38d31c0ec2/82853199207.pdfIn PDF document text
- http://telecycling.org/files/file/rixosekesowanuwuzibezus.pdfIn PDF document text
- http://teakdeck.pl/files/file/30147195462.pdfIn PDF document text
- https://a-metal.e-giant.net/archive/file/files/xalimuvubuxab.pdfIn PDF document text
- https://thieumaunao.vn/workspace/develop/uploads/ck_upload/files/sotubezolimab.pdfIn PDF document text
- http://actlogistic.vn/upload/editor/files/bekafotazixodepa.pdfIn PDF document text
- https://steklo-shik.ru/userfiles/file/negusoxenozixu.pdfIn PDF document text
- https://ahha.az/userfiles/file/9419144818.pdfIn PDF document text
- https://thegioibaobicarton.com/Images_upload/files/zekagiligedobonivaluxune.pdfIn PDF document text
- http://horizonpestservices.com/userfile/29669198891.pdfIn PDF document text
- https://givemeit.ru/wp-content/plugins/super-forms/uploads/php/files/c8157f69eeb53bf6245de17979d6fec6/vutofukefib.pdfIn PDF document text
- https://eltonltd.ru/sites/default/files/uploads/zebafiki.pdfIn PDF document text
- https://m-audio.vn/img-m-audio/files/11506294733.pdfIn PDF document text
- http://3duct.com/wp-content/plugins/formcraft/file-upload/server/content/files/161470d3c99bd9---3534758840.pdfIn PDF document text
- http://sherwoodchambergolf.com/ckfinder/userfiles/files/25442315611.pdfIn PDF document text
- http://www.w3.org/1999/02/22-rdf-syntax-ns#In PDF document text
- http://purl.org/dc/elements/1.1/In PDF document text
- http://ns.adobe.com/pdf/1.3/In PDF document text
- http://ns.adobe.com/xap/1.0/In PDF document text
- http://ns.adobe.com/xap/1.0/mm/In PDF document text
- http://ns.adobe.com/xap/1.0/rights/In PDF document text
- http://dejavu.sourceforge.netIn PDF document text
- http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000ae1c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xAE1C | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000c633.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC633 | 10436 bytes |
SHA-256: 9074aa993d94e8a445067368e87aa6b8181e9bb74f55c18f4cdd873a3bf789d5 |
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font_02_sfnt_off0000dda3.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDDA3 | 14832 bytes |
SHA-256: d8e7050f29eb1b2747479ac7c7e3ae6ddc8c3a585d3fa18940c63507b485f9c4 |
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